To provide a continuous integration type document storage case, a method of its use, and a method of setting a continuous integration type document to a document processor, which can smoothly feed the stored document with no generation of paper break, double feed, etc., by facilitate work.

A unit document arranges a first thin document part 31 and a second thick document part 32 in a width direction. This continuous integration type document 30 successively connects the unit document in line with a supply direction. This continuous integral type document storage case, overlapping one another the continuous integral type document 30 with each of the unit document stored as a fold block 30B, is provided with a protruded shape forming member 20 making the fold block 30B in a protruded shape in the supply direction and an opening/closing wall surface 11 which can be opened/ closed.